function aa(){
			var name=document.getElementById("shop-name").value;
			
       		if(name==""){
       			document.getElementById('tip2').style.display="block";
       			
            setTimeout("hide()",2000)
            return;
       		}
       		
       		else{
       			window.open("../../../fish/html/shop/authentication.html");
       			return;
       		}
		}
		
			
function hide(){
			document.getElementById('tip2').style.display='none';
			//这个是操作DIV消失的命令
			
}
